77 lines
2.7 KiB
Python
77 lines
2.7 KiB
Python
# Copyright 2020 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Utility function for building Importer Node spec."""
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from kfp.pipeline_spec import pipeline_spec_pb2
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OUTPUT_KEY = 'result'
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def build_importer_spec(
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input_type_schema: str,
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pipeline_param_name: str = None,
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constant_value: str = None
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) -> pipeline_spec_pb2.PipelineDeploymentConfig.ImporterSpec:
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"""Builds an importer executor spec.
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Args:
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input_type_schema: The type of the input artifact.
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pipeline_param_name: The name of the pipeline parameter if the importer gets
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its artifacts_uri via a pipeline parameter. This argument is mutually
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exclusive with constant_value.
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constant_value: The value of artifact_uri in case a contant value is passed
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directly into the compoent op. This argument is mutually exclusive with
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pipeline_param_name.
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Returns:
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An importer spec.
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"""
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assert bool(pipeline_param_name) != bool(constant_value), (
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'importer spec should be built using either pipeline_param_name or '
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'constant_value.')
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importer_spec = pipeline_spec_pb2.PipelineDeploymentConfig.ImporterSpec()
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importer_spec.type_schema.instance_schema = input_type_schema
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if pipeline_param_name:
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importer_spec.artifact_uri.runtime_parameter = pipeline_param_name
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elif constant_value:
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importer_spec.artifact_uri.constant_value.string_value = constant_value
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return importer_spec
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def build_importer_task_spec(
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dependent_task: pipeline_spec_pb2.PipelineTaskSpec,
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input_name: str,
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input_type_schema: str,
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) -> pipeline_spec_pb2.PipelineTaskSpec:
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"""Builds an importer task spec.
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Args:
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dependent_task: The task requires importer node.
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input_name: The name of the input artifact needs to be imported.
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input_type_schema: The type of the input artifact.
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Returns:
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An importer node task spec.
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"""
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dependent_task_name = dependent_task.task_info.name
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task_spec = pipeline_spec_pb2.PipelineTaskSpec()
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task_spec.task_info.name = '{}_{}_importer'.format(dependent_task_name,
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input_name)
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task_spec.outputs.artifacts[OUTPUT_KEY].artifact_type.instance_schema = (
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input_type_schema)
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task_spec.executor_label = task_spec.task_info.name
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return task_spec
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